Inventor
OKAWA MIKIO
JP9 patents
Patents
9 patentsUS4917642AApr 17, 1990
Air-tight ceramic container
TOSHIBA KK30 citations91
US4830821AMay 16, 1989
Process of making a contact forming material for a vacuum valve
TOSHIBA KK18 citations81
US4777335AOct 11, 1988
Contact forming material for a vacuum valve
TOSHIBA KK15 citations81
US5420384AMay 30, 1995
Contact material for a vacuum interrupter
TOSHIBA KK14 citations73
US5354352AOct 11, 1994
Contact material for vacuum circuit breakers
TOSHIBA KK11 citations72
US5056702AOct 15, 1991
Method of manufacturing a semiconductor device
TOSHIBA KK15 citations72
US5149362ASep 22, 1992
Contact forming material for a vacuum interrupter
TOSHIBA KK9 citations71
US5045281ASep 3, 1991
Contact forming material for a vacuum interrupter
TOSHIBA KK14 citations71
US5403543AApr 4, 1995
Process for manufacturing a contact material for vacuum circuit breakers
TOSHIBA KK8 citations70